*
*/
#include <linux/kernel.h>
+#include <linux/component.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/mfd/syscon.h>
+#include <linux/of_device.h>
#include <linux/regmap.h>
#include <drm/drmP.h>
#include <drm/exynos_drm.h>
#include "regs-gsc.h"
#include "exynos_drm_drv.h"
+#include "exynos_drm_iommu.h"
#include "exynos_drm_ipp.h"
-#include "exynos_drm_gsc.h"
/*
* GSC stands for General SCaler and
* input DMA reads image data from the memory.
* output DMA writes image data to memory.
* GSC supports image rotation and image effect functions.
- *
- * M2M operation : supports crop/scale/rotation/csc so on.
- * Memory ----> GSC H/W ----> Memory.
- * Writeback operation : supports cloned screen with FIMD.
- * FIMD ----> GSC H/W ----> Memory.
- * Output operation : supports direct display using local path.
- * Memory ----> GSC H/W ----> FIMD, Mixer.
*/
-/*
- * TODO
- * 1. check suspend/resume api if needed.
- * 2. need to check use case platform_device_id.
- * 3. check src/dst size with, height.
- * 4. added check_prepare api for right register.
- * 5. need to add supported list in prop_list.
- * 6. check prescaler/scaler optimization.
- */
-#define GSC_MAX_DEVS 4
+#define GSC_MAX_CLOCKS 8
#define GSC_MAX_SRC 4
#define GSC_MAX_DST 16
#define GSC_RESET_TIMEOUT 50
#define GSC_SC_DOWN_RATIO_4_8 131072
#define GSC_SC_DOWN_RATIO_3_8 174762
#define GSC_SC_DOWN_RATIO_2_8 262144
-#define GSC_REFRESH_MIN 12
-#define GSC_REFRESH_MAX 60
#define GSC_CROP_MAX 8192
#define GSC_CROP_MIN 32
#define GSC_SCALE_MAX 4224
#define GSC_COEF_H_8T 8
#define GSC_COEF_V_4T 4
#define GSC_COEF_DEPTH 3
+#define GSC_AUTOSUSPEND_DELAY 2000
#define get_gsc_context(dev) platform_get_drvdata(to_platform_device(dev))
-#define get_ctx_from_ippdrv(ippdrv) container_of(ippdrv,\
- struct gsc_context, ippdrv);
#define gsc_read(offset) readl(ctx->regs + (offset))
#define gsc_write(cfg, offset) writel(cfg, ctx->regs + (offset))
};
/*
- * A structure of scaler capability.
- *
- * find user manual 49.2 features.
- * @tile_w: tile mode or rotation width.
- * @tile_h: tile mode or rotation height.
- * @w: other cases width.
- * @h: other cases height.
- */
-struct gsc_capability {
- /* tile or rotation */
- u32 tile_w;
- u32 tile_h;
- /* other cases */
- u32 w;
- u32 h;
-};
-
-/*
* A structure of gsc context.
*
- * @ippdrv: prepare initialization using ippdrv.
* @regs_res: register resources.
* @regs: memory mapped io registers.
- * @sysreg: handle to SYSREG block regmap.
- * @lock: locking of operations.
* @gsc_clk: gsc gate clock.
* @sc: scaler infomations.
* @id: gsc id.
* @irq: irq number.
* @rotation: supports rotation of src.
- * @suspended: qos operations.
*/
struct gsc_context {
- struct exynos_drm_ippdrv ippdrv;
+ struct exynos_drm_ipp ipp;
+ struct drm_device *drm_dev;
+ struct device *dev;
+ struct exynos_drm_ipp_task *task;
+ struct exynos_drm_ipp_formats *formats;
+ unsigned int num_formats;
+
struct resource *regs_res;
void __iomem *regs;
- struct regmap *sysreg;
- struct mutex lock;
- struct clk *gsc_clk;
+ const char **clk_names;
+ struct clk *clocks[GSC_MAX_CLOCKS];
+ int num_clocks;
struct gsc_scaler sc;
int id;
int irq;
bool rotation;
- bool suspended;
+};
+
+/**
+ * struct gsc_driverdata - per device type driver data for init time.
+ *
+ * @limits: picture size limits array
+ * @clk_names: names of clocks needed by this variant
+ * @num_clocks: the number of clocks needed by this variant
+ */
+struct gsc_driverdata {
+ const struct drm_exynos_ipp_limit *limits;
+ int num_limits;
+ const char *clk_names[GSC_MAX_CLOCKS];
+ int num_clocks;
};
/* 8-tap Filter Coefficient */
return 0;
}
-static void gsc_set_gscblk_fimd_wb(struct gsc_context *ctx, bool enable)
-{
- unsigned int gscblk_cfg;
-
- if (!ctx->sysreg)
- return;
-
- regmap_read(ctx->sysreg, SYSREG_GSCBLK_CFG1, &gscblk_cfg);
-
- if (enable)
- gscblk_cfg |= GSC_BLK_DISP1WB_DEST(ctx->id) |
- GSC_BLK_GSCL_WB_IN_SRC_SEL(ctx->id) |
- GSC_BLK_SW_RESET_WB_DEST(ctx->id);
- else
- gscblk_cfg |= GSC_BLK_PXLASYNC_LO_MASK_WB(ctx->id);
-
- regmap_write(ctx->sysreg, SYSREG_GSCBLK_CFG1, gscblk_cfg);
-}
-
static void gsc_handle_irq(struct gsc_context *ctx, bool enable,
bool overflow, bool done)
{
}
-static int gsc_src_set_fmt(struct device *dev, u32 fmt)
+static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
u32 cfg;
DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
cfg |= GSC_IN_RGB565;
break;
case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ARGB8888:
cfg |= GSC_IN_XRGB8888;
break;
case DRM_FORMAT_BGRX8888:
cfg |= (GSC_IN_CHROMA_ORDER_CBCR |
GSC_IN_YUV420_2P);
break;
- default:
- dev_err(ippdrv->dev, "invalid target yuv order 0x%x.\n", fmt);
- return -EINVAL;
}
gsc_write(cfg, GSC_IN_CON);
-
- return 0;
}
-static int gsc_src_set_transf(struct device *dev,
- enum drm_exynos_degree degree,
- enum drm_exynos_flip flip, bool *swap)
+static void gsc_src_set_transf(struct gsc_context *ctx, unsigned int rotation)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
+ unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
u32 cfg;
- DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
-
cfg = gsc_read(GSC_IN_CON);
cfg &= ~GSC_IN_ROT_MASK;
switch (degree) {
- case EXYNOS_DRM_DEGREE_0:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
+ case DRM_MODE_ROTATE_0:
+ if (rotation & DRM_MODE_REFLECT_Y)
cfg |= GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
+ if (rotation & DRM_MODE_REFLECT_X)
cfg |= GSC_IN_ROT_YFLIP;
break;
- case EXYNOS_DRM_DEGREE_90:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg |= GSC_IN_ROT_90_XFLIP;
- else if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg |= GSC_IN_ROT_90_YFLIP;
- else
- cfg |= GSC_IN_ROT_90;
+ case DRM_MODE_ROTATE_90:
+ cfg |= GSC_IN_ROT_90;
+ if (rotation & DRM_MODE_REFLECT_Y)
+ cfg |= GSC_IN_ROT_XFLIP;
+ if (rotation & DRM_MODE_REFLECT_X)
+ cfg |= GSC_IN_ROT_YFLIP;
break;
- case EXYNOS_DRM_DEGREE_180:
+ case DRM_MODE_ROTATE_180:
cfg |= GSC_IN_ROT_180;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
+ if (rotation & DRM_MODE_REFLECT_Y)
cfg &= ~GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
+ if (rotation & DRM_MODE_REFLECT_X)
cfg &= ~GSC_IN_ROT_YFLIP;
break;
- case EXYNOS_DRM_DEGREE_270:
+ case DRM_MODE_ROTATE_270:
cfg |= GSC_IN_ROT_270;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
+ if (rotation & DRM_MODE_REFLECT_Y)
cfg &= ~GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
+ if (rotation & DRM_MODE_REFLECT_X)
cfg &= ~GSC_IN_ROT_YFLIP;
break;
- default:
- dev_err(ippdrv->dev, "invalid degree value %d.\n", degree);
- return -EINVAL;
}
gsc_write(cfg, GSC_IN_CON);
ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0;
- *swap = ctx->rotation;
-
- return 0;
}
-static int gsc_src_set_size(struct device *dev, int swap,
- struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
+static void gsc_src_set_size(struct gsc_context *ctx,
+ struct exynos_drm_ipp_buffer *buf)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct drm_exynos_pos img_pos = *pos;
struct gsc_scaler *sc = &ctx->sc;
u32 cfg;
- DRM_DEBUG_KMS("swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
- swap, pos->x, pos->y, pos->w, pos->h);
-
- if (swap) {
- img_pos.w = pos->h;
- img_pos.h = pos->w;
- }
-
/* pixel offset */
- cfg = (GSC_SRCIMG_OFFSET_X(img_pos.x) |
- GSC_SRCIMG_OFFSET_Y(img_pos.y));
+ cfg = (GSC_SRCIMG_OFFSET_X(buf->rect.x) |
+ GSC_SRCIMG_OFFSET_Y(buf->rect.y));
gsc_write(cfg, GSC_SRCIMG_OFFSET);
/* cropped size */
- cfg = (GSC_CROPPED_WIDTH(img_pos.w) |
- GSC_CROPPED_HEIGHT(img_pos.h));
+ cfg = (GSC_CROPPED_WIDTH(buf->rect.w) |
+ GSC_CROPPED_HEIGHT(buf->rect.h));
gsc_write(cfg, GSC_CROPPED_SIZE);
- DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", sz->hsize, sz->vsize);
-
/* original size */
cfg = gsc_read(GSC_SRCIMG_SIZE);
cfg &= ~(GSC_SRCIMG_HEIGHT_MASK |
GSC_SRCIMG_WIDTH_MASK);
- cfg |= (GSC_SRCIMG_WIDTH(sz->hsize) |
- GSC_SRCIMG_HEIGHT(sz->vsize));
+ cfg |= (GSC_SRCIMG_WIDTH(buf->buf.width) |
+ GSC_SRCIMG_HEIGHT(buf->buf.height));
gsc_write(cfg, GSC_SRCIMG_SIZE);
cfg = gsc_read(GSC_IN_CON);
cfg &= ~GSC_IN_RGB_TYPE_MASK;
- DRM_DEBUG_KMS("width[%d]range[%d]\n", pos->w, sc->range);
-
- if (pos->w >= GSC_WIDTH_ITU_709)
+ if (buf->rect.w >= GSC_WIDTH_ITU_709)
if (sc->range)
cfg |= GSC_IN_RGB_HD_WIDE;
else
cfg |= GSC_IN_RGB_SD_NARROW;
gsc_write(cfg, GSC_IN_CON);
-
- return 0;
}
-static int gsc_src_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
+static void gsc_src_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
+ bool enqueue)
{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- bool masked;
+ bool masked = !enqueue;
u32 cfg;
u32 mask = 0x00000001 << buf_id;
- DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
-
/* mask register set */
cfg = gsc_read(GSC_IN_BASE_ADDR_Y_MASK);
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- masked = false;
- break;
- case IPP_BUF_DEQUEUE:
- masked = true;
- break;
- default:
- dev_err(ippdrv->dev, "invalid buf ctrl parameter.\n");
- return -EINVAL;
- }
-
/* sequence id */
cfg &= ~mask;
cfg |= masked << buf_id;
gsc_write(cfg, GSC_IN_BASE_ADDR_Y_MASK);
gsc_write(cfg, GSC_IN_BASE_ADDR_CB_MASK);
gsc_write(cfg, GSC_IN_BASE_ADDR_CR_MASK);
-
- return 0;
}
-static int gsc_src_set_addr(struct device *dev,
- struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
+static void gsc_src_set_addr(struct gsc_context *ctx, u32 buf_id,
+ struct exynos_drm_ipp_buffer *buf)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EFAULT;
- }
-
- property = &c_node->property;
-
- DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
- property->prop_id, buf_id, buf_type);
-
- if (buf_id > GSC_MAX_SRC) {
- dev_info(ippdrv->dev, "invalid buf_id %d.\n", buf_id);
- return -EINVAL;
- }
-
/* address register set */
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y],
- GSC_IN_BASE_ADDR_Y(buf_id));
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
- GSC_IN_BASE_ADDR_CB(buf_id));
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
- GSC_IN_BASE_ADDR_CR(buf_id));
- break;
- case IPP_BUF_DEQUEUE:
- gsc_write(0x0, GSC_IN_BASE_ADDR_Y(buf_id));
- gsc_write(0x0, GSC_IN_BASE_ADDR_CB(buf_id));
- gsc_write(0x0, GSC_IN_BASE_ADDR_CR(buf_id));
- break;
- default:
- /* bypass */
- break;
- }
+ gsc_write(buf->dma_addr[0], GSC_IN_BASE_ADDR_Y(buf_id));
+ gsc_write(buf->dma_addr[1], GSC_IN_BASE_ADDR_CB(buf_id));
+ gsc_write(buf->dma_addr[2], GSC_IN_BASE_ADDR_CR(buf_id));
- return gsc_src_set_buf_seq(ctx, buf_id, buf_type);
+ gsc_src_set_buf_seq(ctx, buf_id, true);
}
-static struct exynos_drm_ipp_ops gsc_src_ops = {
- .set_fmt = gsc_src_set_fmt,
- .set_transf = gsc_src_set_transf,
- .set_size = gsc_src_set_size,
- .set_addr = gsc_src_set_addr,
-};
-
-static int gsc_dst_set_fmt(struct device *dev, u32 fmt)
+static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
u32 cfg;
DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
case DRM_FORMAT_RGB565:
cfg |= GSC_OUT_RGB565;
break;
+ case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
- cfg |= GSC_OUT_XRGB8888;
+ cfg |= (GSC_OUT_XRGB8888 | GSC_OUT_GLOBAL_ALPHA(0xff));
break;
case DRM_FORMAT_BGRX8888:
cfg |= (GSC_OUT_XRGB8888 | GSC_OUT_RB_SWAP);
cfg |= (GSC_OUT_CHROMA_ORDER_CBCR |
GSC_OUT_YUV420_2P);
break;
- default:
- dev_err(ippdrv->dev, "invalid target yuv order 0x%x.\n", fmt);
- return -EINVAL;
}
gsc_write(cfg, GSC_OUT_CON);
-
- return 0;
-}
-
-static int gsc_dst_set_transf(struct device *dev,
- enum drm_exynos_degree degree,
- enum drm_exynos_flip flip, bool *swap)
-{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- u32 cfg;
-
- DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
-
- cfg = gsc_read(GSC_IN_CON);
- cfg &= ~GSC_IN_ROT_MASK;
-
- switch (degree) {
- case EXYNOS_DRM_DEGREE_0:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg |= GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg |= GSC_IN_ROT_YFLIP;
- break;
- case EXYNOS_DRM_DEGREE_90:
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg |= GSC_IN_ROT_90_XFLIP;
- else if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg |= GSC_IN_ROT_90_YFLIP;
- else
- cfg |= GSC_IN_ROT_90;
- break;
- case EXYNOS_DRM_DEGREE_180:
- cfg |= GSC_IN_ROT_180;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg &= ~GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg &= ~GSC_IN_ROT_YFLIP;
- break;
- case EXYNOS_DRM_DEGREE_270:
- cfg |= GSC_IN_ROT_270;
- if (flip & EXYNOS_DRM_FLIP_VERTICAL)
- cfg &= ~GSC_IN_ROT_XFLIP;
- if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
- cfg &= ~GSC_IN_ROT_YFLIP;
- break;
- default:
- dev_err(ippdrv->dev, "invalid degree value %d.\n", degree);
- return -EINVAL;
- }
-
- gsc_write(cfg, GSC_IN_CON);
-
- ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0;
- *swap = ctx->rotation;
-
- return 0;
}
static int gsc_get_ratio_shift(u32 src, u32 dst, u32 *ratio)
}
static int gsc_set_prescaler(struct gsc_context *ctx, struct gsc_scaler *sc,
- struct drm_exynos_pos *src, struct drm_exynos_pos *dst)
+ struct drm_exynos_ipp_task_rect *src,
+ struct drm_exynos_ipp_task_rect *dst)
{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
u32 cfg;
u32 src_w, src_h, dst_w, dst_h;
int ret = 0;
ret = gsc_get_ratio_shift(src_w, dst_w, &sc->pre_hratio);
if (ret) {
- dev_err(ippdrv->dev, "failed to get ratio horizontal.\n");
+ dev_err(ctx->dev, "failed to get ratio horizontal.\n");
return ret;
}
ret = gsc_get_ratio_shift(src_h, dst_h, &sc->pre_vratio);
if (ret) {
- dev_err(ippdrv->dev, "failed to get ratio vertical.\n");
+ dev_err(ctx->dev, "failed to get ratio vertical.\n");
return ret;
}
gsc_write(cfg, GSC_MAIN_V_RATIO);
}
-static int gsc_dst_set_size(struct device *dev, int swap,
- struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
+static void gsc_dst_set_size(struct gsc_context *ctx,
+ struct exynos_drm_ipp_buffer *buf)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct drm_exynos_pos img_pos = *pos;
struct gsc_scaler *sc = &ctx->sc;
u32 cfg;
- DRM_DEBUG_KMS("swap[%d]x[%d]y[%d]w[%d]h[%d]\n",
- swap, pos->x, pos->y, pos->w, pos->h);
-
- if (swap) {
- img_pos.w = pos->h;
- img_pos.h = pos->w;
- }
-
/* pixel offset */
- cfg = (GSC_DSTIMG_OFFSET_X(pos->x) |
- GSC_DSTIMG_OFFSET_Y(pos->y));
+ cfg = (GSC_DSTIMG_OFFSET_X(buf->rect.x) |
+ GSC_DSTIMG_OFFSET_Y(buf->rect.y));
gsc_write(cfg, GSC_DSTIMG_OFFSET);
/* scaled size */
- cfg = (GSC_SCALED_WIDTH(img_pos.w) | GSC_SCALED_HEIGHT(img_pos.h));
+ if (ctx->rotation)
+ cfg = (GSC_SCALED_WIDTH(buf->rect.h) |
+ GSC_SCALED_HEIGHT(buf->rect.w));
+ else
+ cfg = (GSC_SCALED_WIDTH(buf->rect.w) |
+ GSC_SCALED_HEIGHT(buf->rect.h));
gsc_write(cfg, GSC_SCALED_SIZE);
- DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", sz->hsize, sz->vsize);
-
/* original size */
cfg = gsc_read(GSC_DSTIMG_SIZE);
- cfg &= ~(GSC_DSTIMG_HEIGHT_MASK |
- GSC_DSTIMG_WIDTH_MASK);
- cfg |= (GSC_DSTIMG_WIDTH(sz->hsize) |
- GSC_DSTIMG_HEIGHT(sz->vsize));
+ cfg &= ~(GSC_DSTIMG_HEIGHT_MASK | GSC_DSTIMG_WIDTH_MASK);
+ cfg |= GSC_DSTIMG_WIDTH(buf->buf.width) |
+ GSC_DSTIMG_HEIGHT(buf->buf.height);
gsc_write(cfg, GSC_DSTIMG_SIZE);
cfg = gsc_read(GSC_OUT_CON);
cfg &= ~GSC_OUT_RGB_TYPE_MASK;
- DRM_DEBUG_KMS("width[%d]range[%d]\n", pos->w, sc->range);
-
- if (pos->w >= GSC_WIDTH_ITU_709)
+ if (buf->rect.w >= GSC_WIDTH_ITU_709)
if (sc->range)
cfg |= GSC_OUT_RGB_HD_WIDE;
else
cfg |= GSC_OUT_RGB_SD_NARROW;
gsc_write(cfg, GSC_OUT_CON);
-
- return 0;
}
static int gsc_dst_get_buf_seq(struct gsc_context *ctx)
return buf_num;
}
-static int gsc_dst_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
+static void gsc_dst_set_buf_seq(struct gsc_context *ctx, u32 buf_id,
+ bool enqueue)
{
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- bool masked;
+ bool masked = !enqueue;
u32 cfg;
u32 mask = 0x00000001 << buf_id;
- int ret = 0;
-
- DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
-
- mutex_lock(&ctx->lock);
/* mask register set */
cfg = gsc_read(GSC_OUT_BASE_ADDR_Y_MASK);
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- masked = false;
- break;
- case IPP_BUF_DEQUEUE:
- masked = true;
- break;
- default:
- dev_err(ippdrv->dev, "invalid buf ctrl parameter.\n");
- ret = -EINVAL;
- goto err_unlock;
- }
-
/* sequence id */
cfg &= ~mask;
cfg |= masked << buf_id;
gsc_write(cfg, GSC_OUT_BASE_ADDR_CR_MASK);
/* interrupt enable */
- if (buf_type == IPP_BUF_ENQUEUE &&
- gsc_dst_get_buf_seq(ctx) >= GSC_BUF_START)
+ if (enqueue && gsc_dst_get_buf_seq(ctx) >= GSC_BUF_START)
gsc_handle_irq(ctx, true, false, true);
/* interrupt disable */
- if (buf_type == IPP_BUF_DEQUEUE &&
- gsc_dst_get_buf_seq(ctx) <= GSC_BUF_STOP)
+ if (!enqueue && gsc_dst_get_buf_seq(ctx) <= GSC_BUF_STOP)
gsc_handle_irq(ctx, false, false, true);
-
-err_unlock:
- mutex_unlock(&ctx->lock);
- return ret;
}
-static int gsc_dst_set_addr(struct device *dev,
- struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
- enum drm_exynos_ipp_buf_type buf_type)
+static void gsc_dst_set_addr(struct gsc_context *ctx,
+ u32 buf_id, struct exynos_drm_ipp_buffer *buf)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EFAULT;
- }
-
- property = &c_node->property;
-
- DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
- property->prop_id, buf_id, buf_type);
-
- if (buf_id > GSC_MAX_DST) {
- dev_info(ippdrv->dev, "invalid buf_id %d.\n", buf_id);
- return -EINVAL;
- }
-
/* address register set */
- switch (buf_type) {
- case IPP_BUF_ENQUEUE:
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y],
- GSC_OUT_BASE_ADDR_Y(buf_id));
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
- GSC_OUT_BASE_ADDR_CB(buf_id));
- gsc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
- GSC_OUT_BASE_ADDR_CR(buf_id));
- break;
- case IPP_BUF_DEQUEUE:
- gsc_write(0x0, GSC_OUT_BASE_ADDR_Y(buf_id));
- gsc_write(0x0, GSC_OUT_BASE_ADDR_CB(buf_id));
- gsc_write(0x0, GSC_OUT_BASE_ADDR_CR(buf_id));
- break;
- default:
- /* bypass */
- break;
- }
+ gsc_write(buf->dma_addr[0], GSC_OUT_BASE_ADDR_Y(buf_id));
+ gsc_write(buf->dma_addr[1], GSC_OUT_BASE_ADDR_CB(buf_id));
+ gsc_write(buf->dma_addr[2], GSC_OUT_BASE_ADDR_CR(buf_id));
- return gsc_dst_set_buf_seq(ctx, buf_id, buf_type);
-}
-
-static struct exynos_drm_ipp_ops gsc_dst_ops = {
- .set_fmt = gsc_dst_set_fmt,
- .set_transf = gsc_dst_set_transf,
- .set_size = gsc_dst_set_size,
- .set_addr = gsc_dst_set_addr,
-};
-
-static int gsc_clk_ctrl(struct gsc_context *ctx, bool enable)
-{
- DRM_DEBUG_KMS("enable[%d]\n", enable);
-
- if (enable) {
- clk_prepare_enable(ctx->gsc_clk);
- ctx->suspended = false;
- } else {
- clk_disable_unprepare(ctx->gsc_clk);
- ctx->suspended = true;
- }
-
- return 0;
+ gsc_dst_set_buf_seq(ctx, buf_id, true);
}
static int gsc_get_src_buf_index(struct gsc_context *ctx)
{
u32 cfg, curr_index, i;
u32 buf_id = GSC_MAX_SRC;
- int ret;
DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
}
}
+ DRM_DEBUG_KMS("cfg[0x%x]curr_index[%d]buf_id[%d]\n", cfg,
+ curr_index, buf_id);
+
if (buf_id == GSC_MAX_SRC) {
DRM_ERROR("failed to get in buffer index.\n");
return -EINVAL;
}
- ret = gsc_src_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE);
- if (ret < 0) {
- DRM_ERROR("failed to dequeue.\n");
- return ret;
- }
-
- DRM_DEBUG_KMS("cfg[0x%x]curr_index[%d]buf_id[%d]\n", cfg,
- curr_index, buf_id);
+ gsc_src_set_buf_seq(ctx, buf_id, false);
return buf_id;
}
{
u32 cfg, curr_index, i;
u32 buf_id = GSC_MAX_DST;
- int ret;
DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
return -EINVAL;
}
- ret = gsc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE);
- if (ret < 0) {
- DRM_ERROR("failed to dequeue.\n");
- return ret;
- }
+ gsc_dst_set_buf_seq(ctx, buf_id, false);
DRM_DEBUG_KMS("cfg[0x%x]curr_index[%d]buf_id[%d]\n", cfg,
curr_index, buf_id);
static irqreturn_t gsc_irq_handler(int irq, void *dev_id)
{
struct gsc_context *ctx = dev_id;
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_event_work *event_work =
- c_node->event_work;
u32 status;
- int buf_id[EXYNOS_DRM_OPS_MAX];
+ int err = 0;
DRM_DEBUG_KMS("gsc id[%d]\n", ctx->id);
status = gsc_read(GSC_IRQ);
if (status & GSC_IRQ_STATUS_OR_IRQ) {
- dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n",
+ dev_err(ctx->dev, "occurred overflow at %d, status 0x%x.\n",
ctx->id, status);
- return IRQ_NONE;
+ err = -EINVAL;
}
if (status & GSC_IRQ_STATUS_OR_FRM_DONE) {
- dev_dbg(ippdrv->dev, "occurred frame done at %d, status 0x%x.\n",
- ctx->id, status);
-
- buf_id[EXYNOS_DRM_OPS_SRC] = gsc_get_src_buf_index(ctx);
- if (buf_id[EXYNOS_DRM_OPS_SRC] < 0)
- return IRQ_HANDLED;
-
- buf_id[EXYNOS_DRM_OPS_DST] = gsc_get_dst_buf_index(ctx);
- if (buf_id[EXYNOS_DRM_OPS_DST] < 0)
- return IRQ_HANDLED;
-
- DRM_DEBUG_KMS("buf_id_src[%d]buf_id_dst[%d]\n",
- buf_id[EXYNOS_DRM_OPS_SRC], buf_id[EXYNOS_DRM_OPS_DST]);
-
- event_work->ippdrv = ippdrv;
- event_work->buf_id[EXYNOS_DRM_OPS_SRC] =
- buf_id[EXYNOS_DRM_OPS_SRC];
- event_work->buf_id[EXYNOS_DRM_OPS_DST] =
- buf_id[EXYNOS_DRM_OPS_DST];
- queue_work(ippdrv->event_workq, &event_work->work);
- }
-
- return IRQ_HANDLED;
-}
-
-static int gsc_init_prop_list(struct exynos_drm_ippdrv *ippdrv)
-{
- struct drm_exynos_ipp_prop_list *prop_list = &ippdrv->prop_list;
-
- prop_list->version = 1;
- prop_list->writeback = 1;
- prop_list->refresh_min = GSC_REFRESH_MIN;
- prop_list->refresh_max = GSC_REFRESH_MAX;
- prop_list->flip = (1 << EXYNOS_DRM_FLIP_VERTICAL) |
- (1 << EXYNOS_DRM_FLIP_HORIZONTAL);
- prop_list->degree = (1 << EXYNOS_DRM_DEGREE_0) |
- (1 << EXYNOS_DRM_DEGREE_90) |
- (1 << EXYNOS_DRM_DEGREE_180) |
- (1 << EXYNOS_DRM_DEGREE_270);
- prop_list->csc = 1;
- prop_list->crop = 1;
- prop_list->crop_max.hsize = GSC_CROP_MAX;
- prop_list->crop_max.vsize = GSC_CROP_MAX;
- prop_list->crop_min.hsize = GSC_CROP_MIN;
- prop_list->crop_min.vsize = GSC_CROP_MIN;
- prop_list->scale = 1;
- prop_list->scale_max.hsize = GSC_SCALE_MAX;
- prop_list->scale_max.vsize = GSC_SCALE_MAX;
- prop_list->scale_min.hsize = GSC_SCALE_MIN;
- prop_list->scale_min.vsize = GSC_SCALE_MIN;
-
- return 0;
-}
-
-static inline bool gsc_check_drm_flip(enum drm_exynos_flip flip)
-{
- switch (flip) {
- case EXYNOS_DRM_FLIP_NONE:
- case EXYNOS_DRM_FLIP_VERTICAL:
- case EXYNOS_DRM_FLIP_HORIZONTAL:
- case EXYNOS_DRM_FLIP_BOTH:
- return true;
- default:
- DRM_DEBUG_KMS("invalid flip\n");
- return false;
- }
-}
-
-static int gsc_ippdrv_check_property(struct device *dev,
- struct drm_exynos_ipp_property *property)
-{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_prop_list *pp = &ippdrv->prop_list;
- struct drm_exynos_ipp_config *config;
- struct drm_exynos_pos *pos;
- struct drm_exynos_sz *sz;
- bool swap;
- int i;
-
- for_each_ipp_ops(i) {
- if ((i == EXYNOS_DRM_OPS_SRC) &&
- (property->cmd == IPP_CMD_WB))
- continue;
+ int src_buf_id, dst_buf_id;
- config = &property->config[i];
- pos = &config->pos;
- sz = &config->sz;
-
- /* check for flip */
- if (!gsc_check_drm_flip(config->flip)) {
- DRM_ERROR("invalid flip.\n");
- goto err_property;
- }
-
- /* check for degree */
- switch (config->degree) {
- case EXYNOS_DRM_DEGREE_90:
- case EXYNOS_DRM_DEGREE_270:
- swap = true;
- break;
- case EXYNOS_DRM_DEGREE_0:
- case EXYNOS_DRM_DEGREE_180:
- swap = false;
- break;
- default:
- DRM_ERROR("invalid degree.\n");
- goto err_property;
- }
+ dev_dbg(ctx->dev, "occurred frame done at %d, status 0x%x.\n",
+ ctx->id, status);
- /* check for buffer bound */
- if ((pos->x + pos->w > sz->hsize) ||
- (pos->y + pos->h > sz->vsize)) {
- DRM_ERROR("out of buf bound.\n");
- goto err_property;
- }
+ src_buf_id = gsc_get_src_buf_index(ctx);
+ dst_buf_id = gsc_get_dst_buf_index(ctx);
- /* check for crop */
- if ((i == EXYNOS_DRM_OPS_SRC) && (pp->crop)) {
- if (swap) {
- if ((pos->h < pp->crop_min.hsize) ||
- (sz->vsize > pp->crop_max.hsize) ||
- (pos->w < pp->crop_min.vsize) ||
- (sz->hsize > pp->crop_max.vsize)) {
- DRM_ERROR("out of crop size.\n");
- goto err_property;
- }
- } else {
- if ((pos->w < pp->crop_min.hsize) ||
- (sz->hsize > pp->crop_max.hsize) ||
- (pos->h < pp->crop_min.vsize) ||
- (sz->vsize > pp->crop_max.vsize)) {
- DRM_ERROR("out of crop size.\n");
- goto err_property;
- }
- }
- }
+ DRM_DEBUG_KMS("buf_id_src[%d]buf_id_dst[%d]\n", src_buf_id,
+ dst_buf_id);
- /* check for scale */
- if ((i == EXYNOS_DRM_OPS_DST) && (pp->scale)) {
- if (swap) {
- if ((pos->h < pp->scale_min.hsize) ||
- (sz->vsize > pp->scale_max.hsize) ||
- (pos->w < pp->scale_min.vsize) ||
- (sz->hsize > pp->scale_max.vsize)) {
- DRM_ERROR("out of scale size.\n");
- goto err_property;
- }
- } else {
- if ((pos->w < pp->scale_min.hsize) ||
- (sz->hsize > pp->scale_max.hsize) ||
- (pos->h < pp->scale_min.vsize) ||
- (sz->vsize > pp->scale_max.vsize)) {
- DRM_ERROR("out of scale size.\n");
- goto err_property;
- }
- }
- }
+ if (src_buf_id < 0 || dst_buf_id < 0)
+ err = -EINVAL;
}
- return 0;
-
-err_property:
- for_each_ipp_ops(i) {
- if ((i == EXYNOS_DRM_OPS_SRC) &&
- (property->cmd == IPP_CMD_WB))
- continue;
+ if (ctx->task) {
+ struct exynos_drm_ipp_task *task = ctx->task;
- config = &property->config[i];
- pos = &config->pos;
- sz = &config->sz;
-
- DRM_ERROR("[%s]f[%d]r[%d]pos[%d %d %d %d]sz[%d %d]\n",
- i ? "dst" : "src", config->flip, config->degree,
- pos->x, pos->y, pos->w, pos->h,
- sz->hsize, sz->vsize);
+ ctx->task = NULL;
+ pm_runtime_mark_last_busy(ctx->dev);
+ pm_runtime_put_autosuspend(ctx->dev);
+ exynos_drm_ipp_task_done(task, err);
}
- return -EINVAL;
+ return IRQ_HANDLED;
}
-
-static int gsc_ippdrv_reset(struct device *dev)
+static int gsc_reset(struct gsc_context *ctx)
{
- struct gsc_context *ctx = get_gsc_context(dev);
struct gsc_scaler *sc = &ctx->sc;
int ret;
/* reset h/w block */
ret = gsc_sw_reset(ctx);
if (ret < 0) {
- dev_err(dev, "failed to reset hardware.\n");
+ dev_err(ctx->dev, "failed to reset hardware.\n");
return ret;
}
return 0;
}
-static int gsc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
+static void gsc_start(struct gsc_context *ctx)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
- struct drm_exynos_ipp_property *property;
- struct drm_exynos_ipp_config *config;
- struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX];
- struct drm_exynos_ipp_set_wb set_wb;
u32 cfg;
- int ret, i;
-
- DRM_DEBUG_KMS("cmd[%d]\n", cmd);
-
- if (!c_node) {
- DRM_ERROR("failed to get c_node.\n");
- return -EINVAL;
- }
-
- property = &c_node->property;
gsc_handle_irq(ctx, true, false, true);
- for_each_ipp_ops(i) {
- config = &property->config[i];
- img_pos[i] = config->pos;
- }
+ /* enable one shot */
+ cfg = gsc_read(GSC_ENABLE);
+ cfg &= ~(GSC_ENABLE_ON_CLEAR_MASK |
+ GSC_ENABLE_CLK_GATE_MODE_MASK);
+ cfg |= GSC_ENABLE_ON_CLEAR_ONESHOT;
+ gsc_write(cfg, GSC_ENABLE);
- switch (cmd) {
- case IPP_CMD_M2M:
- /* enable one shot */
- cfg = gsc_read(GSC_ENABLE);
- cfg &= ~(GSC_ENABLE_ON_CLEAR_MASK |
- GSC_ENABLE_CLK_GATE_MODE_MASK);
- cfg |= GSC_ENABLE_ON_CLEAR_ONESHOT;
- gsc_write(cfg, GSC_ENABLE);
-
- /* src dma memory */
- cfg = gsc_read(GSC_IN_CON);
- cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
- cfg |= GSC_IN_PATH_MEMORY;
- gsc_write(cfg, GSC_IN_CON);
-
- /* dst dma memory */
- cfg = gsc_read(GSC_OUT_CON);
- cfg |= GSC_OUT_PATH_MEMORY;
- gsc_write(cfg, GSC_OUT_CON);
- break;
- case IPP_CMD_WB:
- set_wb.enable = 1;
- set_wb.refresh = property->refresh_rate;
- gsc_set_gscblk_fimd_wb(ctx, set_wb.enable);
- exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
-
- /* src local path */
- cfg = gsc_read(GSC_IN_CON);
- cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
- cfg |= (GSC_IN_PATH_LOCAL | GSC_IN_LOCAL_FIMD_WB);
- gsc_write(cfg, GSC_IN_CON);
-
- /* dst dma memory */
- cfg = gsc_read(GSC_OUT_CON);
- cfg |= GSC_OUT_PATH_MEMORY;
- gsc_write(cfg, GSC_OUT_CON);
- break;
- case IPP_CMD_OUTPUT:
- /* src dma memory */
- cfg = gsc_read(GSC_IN_CON);
- cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
- cfg |= GSC_IN_PATH_MEMORY;
- gsc_write(cfg, GSC_IN_CON);
-
- /* dst local path */
- cfg = gsc_read(GSC_OUT_CON);
- cfg |= GSC_OUT_PATH_MEMORY;
- gsc_write(cfg, GSC_OUT_CON);
- break;
- default:
- ret = -EINVAL;
- dev_err(dev, "invalid operations.\n");
- return ret;
- }
+ /* src dma memory */
+ cfg = gsc_read(GSC_IN_CON);
+ cfg &= ~(GSC_IN_PATH_MASK | GSC_IN_LOCAL_SEL_MASK);
+ cfg |= GSC_IN_PATH_MEMORY;
+ gsc_write(cfg, GSC_IN_CON);
- ret = gsc_set_prescaler(ctx, &ctx->sc,
- &img_pos[EXYNOS_DRM_OPS_SRC],
- &img_pos[EXYNOS_DRM_OPS_DST]);
- if (ret) {
- dev_err(dev, "failed to set prescaler.\n");
- return ret;
- }
+ /* dst dma memory */
+ cfg = gsc_read(GSC_OUT_CON);
+ cfg |= GSC_OUT_PATH_MEMORY;
+ gsc_write(cfg, GSC_OUT_CON);
gsc_set_scaler(ctx, &ctx->sc);
cfg = gsc_read(GSC_ENABLE);
cfg |= GSC_ENABLE_ON;
gsc_write(cfg, GSC_ENABLE);
+}
+
+static int gsc_commit(struct exynos_drm_ipp *ipp,
+ struct exynos_drm_ipp_task *task)
+{
+ struct gsc_context *ctx = container_of(ipp, struct gsc_context, ipp);
+ int ret;
+
+ pm_runtime_get_sync(ctx->dev);
+ ctx->task = task;
+
+ ret = gsc_reset(ctx);
+ if (ret) {
+ pm_runtime_put_autosuspend(ctx->dev);
+ ctx->task = NULL;
+ return ret;
+ }
+
+ gsc_src_set_fmt(ctx, task->src.buf.fourcc);
+ gsc_src_set_transf(ctx, task->transform.rotation);
+ gsc_src_set_size(ctx, &task->src);
+ gsc_src_set_addr(ctx, 0, &task->src);
+ gsc_dst_set_fmt(ctx, task->dst.buf.fourcc);
+ gsc_dst_set_size(ctx, &task->dst);
+ gsc_dst_set_addr(ctx, 0, &task->dst);
+ gsc_set_prescaler(ctx, &ctx->sc, &task->src.rect, &task->dst.rect);
+ gsc_start(ctx);
return 0;
}
-static void gsc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
+static void gsc_abort(struct exynos_drm_ipp *ipp,
+ struct exynos_drm_ipp_task *task)
{
- struct gsc_context *ctx = get_gsc_context(dev);
- struct drm_exynos_ipp_set_wb set_wb = {0, 0};
- u32 cfg;
+ struct gsc_context *ctx =
+ container_of(ipp, struct gsc_context, ipp);
- DRM_DEBUG_KMS("cmd[%d]\n", cmd);
+ gsc_reset(ctx);
+ if (ctx->task) {
+ struct exynos_drm_ipp_task *task = ctx->task;
- switch (cmd) {
- case IPP_CMD_M2M:
- /* bypass */
- break;
- case IPP_CMD_WB:
- gsc_set_gscblk_fimd_wb(ctx, set_wb.enable);
- exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
- break;
- case IPP_CMD_OUTPUT:
- default:
- dev_err(dev, "invalid operations.\n");
- break;
+ ctx->task = NULL;
+ pm_runtime_mark_last_busy(ctx->dev);
+ pm_runtime_put_autosuspend(ctx->dev);
+ exynos_drm_ipp_task_done(task, -EIO);
}
+}
- gsc_handle_irq(ctx, false, false, true);
+static struct exynos_drm_ipp_funcs ipp_funcs = {
+ .commit = gsc_commit,
+ .abort = gsc_abort,
+};
- /* reset sequence */
- gsc_write(0xff, GSC_OUT_BASE_ADDR_Y_MASK);
- gsc_write(0xff, GSC_OUT_BASE_ADDR_CB_MASK);
- gsc_write(0xff, GSC_OUT_BASE_ADDR_CR_MASK);
+static int gsc_bind(struct device *dev, struct device *master, void *data)
+{
+ struct gsc_context *ctx = dev_get_drvdata(dev);
+ struct drm_device *drm_dev = data;
+ struct exynos_drm_ipp *ipp = &ctx->ipp;
- cfg = gsc_read(GSC_ENABLE);
- cfg &= ~GSC_ENABLE_ON;
- gsc_write(cfg, GSC_ENABLE);
+ ctx->drm_dev = drm_dev;
+ drm_iommu_attach_device(drm_dev, dev);
+
+ exynos_drm_ipp_register(drm_dev, ipp, &ipp_funcs,
+ DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE |
+ DRM_EXYNOS_IPP_CAP_SCALE | DRM_EXYNOS_IPP_CAP_CONVERT,
+ ctx->formats, ctx->num_formats, "gsc");
+
+ dev_info(dev, "The exynos gscaler has been probed successfully\n");
+
+ return 0;
+}
+
+static void gsc_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+ struct gsc_context *ctx = dev_get_drvdata(dev);
+ struct drm_device *drm_dev = data;
+ struct exynos_drm_ipp *ipp = &ctx->ipp;
+
+ exynos_drm_ipp_unregister(drm_dev, ipp);
+ drm_iommu_detach_device(drm_dev, dev);
}
+static const struct component_ops gsc_component_ops = {
+ .bind = gsc_bind,
+ .unbind = gsc_unbind,
+};
+
+static const unsigned int gsc_formats[] = {
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB565, DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV21, DRM_FORMAT_NV61,
+ DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU,
+ DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, DRM_FORMAT_YUV422,
+};
+
static int gsc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct gsc_driverdata *driver_data;
+ struct exynos_drm_ipp_formats *formats;
struct gsc_context *ctx;
struct resource *res;
- struct exynos_drm_ippdrv *ippdrv;
- int ret;
+ int ret, i;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
- if (dev->of_node) {
- ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
- "samsung,sysreg");
- if (IS_ERR(ctx->sysreg)) {
- dev_warn(dev, "failed to get system register.\n");
- ctx->sysreg = NULL;
- }
+ formats = devm_kzalloc(dev, sizeof(*formats) *
+ (ARRAY_SIZE(gsc_formats)), GFP_KERNEL);
+ if (!formats)
+ return -ENOMEM;
+
+ driver_data = (struct gsc_driverdata *)of_device_get_match_data(dev);
+ ctx->dev = dev;
+ ctx->num_clocks = driver_data->num_clocks;
+ ctx->clk_names = driver_data->clk_names;
+
+ for (i = 0; i < ARRAY_SIZE(gsc_formats); i++) {
+ formats[i].fourcc = gsc_formats[i];
+ formats[i].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
+ DRM_EXYNOS_IPP_FORMAT_DESTINATION;
+ formats[i].limits = driver_data->limits;
+ formats[i].num_limits = driver_data->num_limits;
}
+ ctx->formats = formats;
+ ctx->num_formats = ARRAY_SIZE(gsc_formats);
/* clock control */
- ctx->gsc_clk = devm_clk_get(dev, "gscl");
- if (IS_ERR(ctx->gsc_clk)) {
- dev_err(dev, "failed to get gsc clock.\n");
- return PTR_ERR(ctx->gsc_clk);
+ for (i = 0; i < ctx->num_clocks; i++) {
+ ctx->clocks[i] = devm_clk_get(dev, ctx->clk_names[i]);
+ if (IS_ERR(ctx->clocks[i])) {
+ dev_err(dev, "failed to get clock: %s\n",
+ ctx->clk_names[i]);
+ return PTR_ERR(ctx->clocks[i]);
+ }
}
/* resource memory */
}
ctx->irq = res->start;
- ret = devm_request_threaded_irq(dev, ctx->irq, NULL, gsc_irq_handler,
- IRQF_ONESHOT, "drm_gsc", ctx);
+ ret = devm_request_irq(dev, ctx->irq, gsc_irq_handler, 0,
+ dev_name(dev), ctx);
if (ret < 0) {
dev_err(dev, "failed to request irq.\n");
return ret;
/* context initailization */
ctx->id = pdev->id;
- ippdrv = &ctx->ippdrv;
- ippdrv->dev = dev;
- ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &gsc_src_ops;
- ippdrv->ops[EXYNOS_DRM_OPS_DST] = &gsc_dst_ops;
- ippdrv->check_property = gsc_ippdrv_check_property;
- ippdrv->reset = gsc_ippdrv_reset;
- ippdrv->start = gsc_ippdrv_start;
- ippdrv->stop = gsc_ippdrv_stop;
- ret = gsc_init_prop_list(ippdrv);
- if (ret < 0) {
- dev_err(dev, "failed to init property list.\n");
- return ret;
- }
-
- DRM_DEBUG_KMS("id[%d]ippdrv[%pK]\n", ctx->id, ippdrv);
-
- mutex_init(&ctx->lock);
platform_set_drvdata(pdev, ctx);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_set_autosuspend_delay(dev, GSC_AUTOSUSPEND_DELAY);
pm_runtime_enable(dev);
- ret = exynos_drm_ippdrv_register(ippdrv);
- if (ret < 0) {
- dev_err(dev, "failed to register drm gsc device.\n");
- goto err_ippdrv_register;
- }
+ ret = component_add(dev, &gsc_component_ops);
+ if (ret)
+ goto err_pm_dis;
dev_info(dev, "drm gsc registered successfully.\n");
return 0;
-err_ippdrv_register:
+err_pm_dis:
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
return ret;
}
static int gsc_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct gsc_context *ctx = get_gsc_context(dev);
- struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
- exynos_drm_ippdrv_unregister(ippdrv);
- mutex_destroy(&ctx->lock);
-
- pm_runtime_set_suspended(dev);
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
return 0;
static int __maybe_unused gsc_runtime_suspend(struct device *dev)
{
struct gsc_context *ctx = get_gsc_context(dev);
+ int i;
DRM_DEBUG_KMS("id[%d]\n", ctx->id);
- return gsc_clk_ctrl(ctx, false);
+ for (i = ctx->num_clocks - 1; i >= 0; i--)
+ clk_disable_unprepare(ctx->clocks[i]);
+
+ return 0;
}
static int __maybe_unused gsc_runtime_resume(struct device *dev)
{
struct gsc_context *ctx = get_gsc_context(dev);
+ int i, ret;
DRM_DEBUG_KMS("id[%d]\n", ctx->id);
- return gsc_clk_ctrl(ctx, true);
+ for (i = 0; i < ctx->num_clocks; i++) {
+ ret = clk_prepare_enable(ctx->clocks[i]);
+ if (ret) {
+ while (--i > 0)
+ clk_disable_unprepare(ctx->clocks[i]);
+ return ret;
+ }
+ }
+ return 0;
}
static const struct dev_pm_ops gsc_pm_ops = {
SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL)
};
+static const struct drm_exynos_ipp_limit gsc_5250_limits[] = {
+ { IPP_SIZE_LIMIT(BUFFER, .h = { 32, 4800, 8 }, .v = { 16, 3344, 8 }) },
+ { IPP_SIZE_LIMIT(AREA, .h = { 16, 4800, 2 }, .v = { 8, 3344, 2 }) },
+ { IPP_SIZE_LIMIT(ROTATED, .h = { 32, 2048 }, .v = { 16, 2048 }) },
+ { IPP_SCALE_LIMIT(.h = { (1 << 16) / 16, (1 << 16) * 8 },
+ .v = { (1 << 16) / 16, (1 << 16) * 8 }) },
+};
+
+static const struct drm_exynos_ipp_limit gsc_5420_limits[] = {
+ { IPP_SIZE_LIMIT(BUFFER, .h = { 32, 4800, 8 }, .v = { 16, 3344, 8 }) },
+ { IPP_SIZE_LIMIT(AREA, .h = { 16, 4800, 2 }, .v = { 8, 3344, 2 }) },
+ { IPP_SIZE_LIMIT(ROTATED, .h = { 16, 2016 }, .v = { 8, 2016 }) },
+ { IPP_SCALE_LIMIT(.h = { (1 << 16) / 16, (1 << 16) * 8 },
+ .v = { (1 << 16) / 16, (1 << 16) * 8 }) },
+};
+
+static const struct drm_exynos_ipp_limit gsc_5433_limits[] = {
+ { IPP_SIZE_LIMIT(BUFFER, .h = { 32, 8191, 2 }, .v = { 16, 8191, 2 }) },
+ { IPP_SIZE_LIMIT(AREA, .h = { 16, 4800, 1 }, .v = { 8, 3344, 1 }) },
+ { IPP_SIZE_LIMIT(ROTATED, .h = { 32, 2047 }, .v = { 8, 8191 }) },
+ { IPP_SCALE_LIMIT(.h = { (1 << 16) / 16, (1 << 16) * 8 },
+ .v = { (1 << 16) / 16, (1 << 16) * 8 }) },
+};
+
+static struct gsc_driverdata gsc_exynos5250_drvdata = {
+ .clk_names = {"gscl"},
+ .num_clocks = 1,
+ .limits = gsc_5250_limits,
+ .num_limits = ARRAY_SIZE(gsc_5250_limits),
+};
+
+static struct gsc_driverdata gsc_exynos5420_drvdata = {
+ .clk_names = {"gscl"},
+ .num_clocks = 1,
+ .limits = gsc_5420_limits,
+ .num_limits = ARRAY_SIZE(gsc_5420_limits),
+};
+
+static struct gsc_driverdata gsc_exynos5433_drvdata = {
+ .clk_names = {"pclk", "aclk", "aclk_xiu", "aclk_gsclbend"},
+ .num_clocks = 4,
+ .limits = gsc_5433_limits,
+ .num_limits = ARRAY_SIZE(gsc_5433_limits),
+};
+
static const struct of_device_id exynos_drm_gsc_of_match[] = {
- { .compatible = "samsung,exynos5-gsc" },
- { },
+ {
+ .compatible = "samsung,exynos5-gsc",
+ .data = &gsc_exynos5250_drvdata,
+ }, {
+ .compatible = "samsung,exynos5250-gsc",
+ .data = &gsc_exynos5250_drvdata,
+ }, {
+ .compatible = "samsung,exynos5420-gsc",
+ .data = &gsc_exynos5420_drvdata,
+ }, {
+ .compatible = "samsung,exynos5433-gsc",
+ .data = &gsc_exynos5433_drvdata,
+ }, {
+ },
};
MODULE_DEVICE_TABLE(of, exynos_drm_gsc_of_match);
.of_match_table = of_match_ptr(exynos_drm_gsc_of_match),
},
};
-
projects / platform / kernel / linux-rpi.git / commitdiff